Struct template wrap_if_not

Struct template wrap_if_not_formatter

boost::log::formatters::wrap_if_not_formatter — A convenience class that wraps the type into a formatter if it is not a formatter yet.

Synopsis

// In header: <boost/log/formatters/wrappers.hpp>

template<typename CharT, typename T> 
struct wrap_if_not_formatter :
  public wrap_if< CharT, T, mpl::not_< is_formatter< T > > >
{
};